Yaesu FT-101E Instruction Manual page 9

REAR APRON CONNECTIONS AND CONTROL
}! Waele ial Calle ih)
—S=S_ |
| 1
ia) AF-IN ; !
Audio input jack tor auxiliary station equipment,
An FM detector unit, or a high level microphone,
may be applied at this point for audio output
from the transceiver speaker.
(b} [IF OUT :
3180 KHz IF signal is available from this jack for
use with other station equipment such as pano-
ramic adapter, etc.
tel SPs
Audio output is' provided at this jack for an
external speaker. Output impedance is 4 ohms
and the internal speaker will be disabled when
plug is inserted.
(d) PIT;
This jack may be used for external 'actuation of
the transmitter. As an example, a foot switch
may be inserted into this jack to provide remote
control of the transmitter PTT relay.
le) PATCH ;
Speech input terminal for phone patch connec-
clon. Impedance is 50 K ohms.
(f) RECs
This jack is connected to the receiver output (4
ohms) to be used for phone patch or other use.
(g) TONE ;
Sidetone output for additional receiver if used.
(h) A-TRIP;
Anti-trip input from additional receiver if used.
(i) FAN;
Power outlet for cooling fan.
(j) P.O, ADJUSTMENT;
Meter sensitivity adjustment tor relative power
output indication.
oe ar
(kK) RF OUT:
Signal frequency output from the driver stage may
be obtained at this jack for use, of optional equip-
ment, such as the FTV-650B and FTV-250 6 and 2
meter transverters.
(l) GND;
Ground connection.
fm} LAMP FUSE ;
This lamp fuse protects the RF amplitier tran-
sistor from damage which may be caused by
extremely strong local signal.
in} ROY ANT;
Other receiver can be used through this Jack.
to) ANT ;
Coaxial connection for antenna.
(p) ACC ;
Accessory socket. 'Provides access to transceiver
operating voltages and relay contacts at this
outlet.
\q) KEY;
Key jack for code operation.
(r) EXT VFO.
Connections for external VFO.
(8) .FUSE::
Fuse holder requires 5 amp fuse for 117 volt or 3
amp fuse for 220 volt operation, D.C, power cord
fuse 20 amp.
it) POWER :
Power receptacle. Both AC and DC cables are
supplied,